81386466

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 195637248

約数和(自身を除く): 114250782

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 173, 322, 346, 483, 487, 519, 966, 974, 1038, 1211, 1461, 2422, 2922, 3409, 3633, 3979, 6818, 7266, 7958, 10227, 11201, 11937, 20454, 22402, 23874, 27853, 33603, 55706, 67206, 78407, 83559, 84251, 156814, 167118, 168502, 235221, 252753, 470442, 505506, 589757, 1179514, 1769271, 1937773, 3538542, 3875546, 5813319, 11626638, 13564411, 27128822, 40693233, 81386466]

約数ペア:

[(1, 81386466), (2, 40693233), (3, 27128822), (6, 13564411), (7, 11626638), (14, 5813319), (21, 3875546), (23, 3538542), (42, 1937773), (46, 1769271), (69, 1179514), (138, 589757), (161, 505506), (173, 470442), (322, 252753), (346, 235221), (483, 168502), (487, 167118), (519, 156814), (966, 84251), (974, 83559), (1038, 78407), (1211, 67206), (1461, 55706), (2422, 33603), (2922, 27853), (3409, 23874), (3633, 22402), (3979, 20454), (6818, 11937), (7266, 11201), (7958, 10227)]